diff --git a/renderdocui/3rdparty/WinFormsUI/Docking/VS2005DockPaneStrip.cs b/renderdocui/3rdparty/WinFormsUI/Docking/VS2005DockPaneStrip.cs
index 95e048774..1e05bb692 100644
--- a/renderdocui/3rdparty/WinFormsUI/Docking/VS2005DockPaneStrip.cs
+++ b/renderdocui/3rdparty/WinFormsUI/Docking/VS2005DockPaneStrip.cs
@@ -1267,7 +1267,8 @@ namespace WeifenLuo.WinFormsUI.Docking
                 Color startColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveTabGradient.StartColor;
                 Color endColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveTabGradient.EndColor;
                 LinearGradientMode gradientMode = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveTabGradient.LinearGradientMode;
-                g.FillPath(new LinearGradientBrush(rectTab, startColor, endColor, gradientMode), path);
+                if(rectTab.Width > 0 || rectTab.Height > 0)
+                    g.FillPath(new LinearGradientBrush(rectTab, startColor, endColor, gradientMode), path);
                 g.DrawPath(PenToolWindowTabBorder, path);
 
                 Color textColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveTabGradient.TextColor;
@@ -1278,7 +1279,8 @@ namespace WeifenLuo.WinFormsUI.Docking
                 Color startColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveTabGradient.StartColor;
                 Color endColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveTabGradient.EndColor;
                 LinearGradientMode gradientMode = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveTabGradient.LinearGradientMode;
-                g.FillPath(new LinearGradientBrush(rectTab, startColor, endColor, gradientMode), path);
+                if (rectTab.Width > 0 || rectTab.Height > 0)
+                    g.FillPath(new LinearGradientBrush(rectTab, startColor, endColor, gradientMode), path);
 
                 if (Tabs.IndexOf(DockPane.ActiveContent) != Tabs.IndexOf(tab) + 1)
                 {